OpenInEditor opens a temp file with content in the user's editor, waits for the editor to close, and returns the (possibly modified) content.
(cfg *config.Config, content, suffix string)
| 12 | // OpenInEditor opens a temp file with content in the user's editor, |
| 13 | // waits for the editor to close, and returns the (possibly modified) content. |
| 14 | func OpenInEditor(cfg *config.Config, content, suffix string) (string, error) { |
| 15 | editor := cfg.Editor |
| 16 | if editor == "" { |
| 17 | editor = os.Getenv("EDITOR") |
| 18 | } |
| 19 | if editor == "" { |
| 20 | editor = os.Getenv("VISUAL") |
| 21 | } |
| 22 | if editor == "" { |
| 23 | editor = "vi" |
| 24 | } |
| 25 | |
| 26 | // Create temp file |
| 27 | tmpFile, err := os.CreateTemp("", "pad-*"+suffix) |
| 28 | if err != nil { |
| 29 | return "", fmt.Errorf("create temp file: %w", err) |
| 30 | } |
| 31 | tmpPath := tmpFile.Name() |
| 32 | defer os.Remove(tmpPath) |
| 33 | |
| 34 | if _, err := tmpFile.WriteString(content); err != nil { |
| 35 | tmpFile.Close() |
| 36 | return "", fmt.Errorf("write temp file: %w", err) |
| 37 | } |
| 38 | tmpFile.Close() |
| 39 | |
| 40 | // Parse editor command (may have flags like "code --wait") |
| 41 | parts := strings.Fields(editor) |
| 42 | args := append(parts[1:], tmpPath) |
| 43 | cmd := exec.Command(parts[0], args...) |
| 44 | cmd.Stdin = os.Stdin |
| 45 | cmd.Stdout = os.Stdout |
| 46 | cmd.Stderr = os.Stderr |
| 47 | |
| 48 | if err := cmd.Run(); err != nil { |
| 49 | return "", fmt.Errorf("editor exited with error: %w", err) |
| 50 | } |
| 51 | |
| 52 | // Read modified content |
| 53 | data, err := os.ReadFile(tmpPath) |
| 54 | if err != nil { |
| 55 | return "", fmt.Errorf("read temp file: %w", err) |
| 56 | } |
| 57 | |
| 58 | return string(data), nil |
| 59 | } |
| 60 | |
| 61 | // ParseFrontmatter splits content into YAML frontmatter and body. |
| 62 | // Returns frontmatter map and body content. |